Dieldrin
Hillsboro
Dieldrin is a highly toxic insecticide that was banned in the 1970s due to its persistence in the environment and toxicity to people and wildlife.
6
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-04 | 8061040-01 | ND |
| 2019-04-16 | 9043720-01 | ND |
| 2021-05-18 | EE03572-01 | ND |
| 2022-04-20 | FD04172-01 | ND |
| 2023-06-20 | GF03961-01 | ND |
| 2023-10-19 | GJ03799-01 | ND |